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Senior Systems AdministratorGeneral Dynamics Information Technology • Arizona, Louisiana, United States
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Senior Systems Administrator

General Dynamics Information Technology
  • US
    Arizona, Louisiana, United States
  • US
    Arizona, Louisiana, United States
Jetzt Bewerben

Über

Senior Systems Administrator Overview The Senior Systems Administrator supports the U.S. Army Information Systems Engineering Command (USAISEC), Communications Security Directorate (CSD), by providing comprehensive enterprise-level system, network, and workstation administration services across classified and unclassified environments. This role ensures the availability, security, continuity, and performance of all CSD-managed IT systems, user endpoints, network infrastructure, and supporting technologies.
Job Duties
Administer, update, and maintain physical and virtual Windows, Linux, UNIX, and Active Directory servers.
Install, configure, and sustain system and application software, patches, and updates.
Monitor system performance and resolve operational issues.
Manage support tickets with vendors and Government partners and coordinate warranty actions.
Provide daily end‑user technical support for workstations, peripherals, and communication devices.
Deploy and maintain workstations and associated hardware.
Create and manage user accounts across classified and unclassified networks.
Troubleshoot hardware, software, and connectivity issues.
Deliver user training on core operating systems and software tools.
Issue outage notifications for planned and unplanned service events.
Serve as Key Management Infrastructure (KMI) Client Platform Administrator.
Configure and maintain LAN/WAN devices including routers, switches, encryptors, and firewalls.
Monitor network uptime, traffic, and performance.
Install, test, and maintain copper and fiber cabling, resolving physical and logical network issues.
Document cabling, port assignments, and network configurations.
Enforce cybersecurity policies in alignment with Army, DOW, and RMF requirements.
Manage domains, permissions, privileged accounts, and access controls.
Support RMF and ATO processes through system documentation and compliance artifacts.
Run vulnerability scans, validate security controls, and support continuous monitoring.
Respond to security incidents, malware events, and classified spillage.
Isolate affected systems, preserve evidence, and support remediation activities.
Execute and verify daily system backups.
Transport classified backup media to off‑site secure facilities as required.
Maintain and test contingency and disaster recovery plans.
Prepare for outages, hardware failures, and service disruptions.
Support long‑term IT planning and lifecycle replacement strategies.
Evaluate and recommend emerging technologies.
Participate in technical boards, working groups, and governance activities.
Prepare and deliver technical briefings and analysis.
Support system testing, including scenario‑based and configuration‑based evaluations.
Maintain system documentation, SOPs, and troubleshooting guides.
Ensure documentation supports rapid onboarding of new personnel.
Improve tools, processes, and procedures as directed by leadership.
Qualifications
Education: At least 2 certifications within the following disciplines: Systems and network administration, Operating systems, Server Virtualization, Videoconferencing, Fiber optic cabling, Audio/visual systems, Network and systems management and control, Media access/digital interfaces, Voice over Internet Protocol (VoIP), and/or System and/or network protocols.
Experience: 10+ years of related experience.
Must meet DoD 8140 Cyber Workforce Qualification Program requirements for System Administrator (DCWF 451), Intermediate level.
U.S. citizenship required.
Security clearance level: TOP SECRET.
Location: Fort Huachuca, AZ
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  • Arizona, Louisiana, United States

Sprachkenntnisse

  • English
Hinweis für Nutzer

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